package it.cums.ui.preferences;

import it.cums.core.Activator;
import it.cums.core.pref.PreferenceConstants;
import it.cums.ui.localization.Messages;

import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.preference.FieldEditorPreferencePage;
import org.eclipse.jface.preference.RadioGroupFieldEditor;
import org.eclipse.jface.preference.StringFieldEditor;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.PlatformUI;

/**
 * This class represents a preference page that
 * is contributed to the Preferences dialog. By 
 * subclassing <samp>FieldEditorPreferencePage</samp>, we
 * can use the field support built into JFace that allows
 * us to create a page that is small and knows how to 
 * save, restore and apply itself.
 * <p>
 * This page is used to modify preferences only. They
 * are stored in the preference store that belongs to
 * the main plug-in class. That way, preferences can
 * be accessed directly via the preference store.
 */

public class DatabasePreferencePage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage {

	public DatabasePreferencePage() {
		super(GRID);
		setPreferenceStore(Activator.getDefault().getPreferenceStore());
		setDescription(Messages.DatabasePreferencePage_0);
	}
	
	/**
	 * Creates the field editors. Field editors are abstractions of
	 * the common GUI blocks needed to manipulate various types
	 * of preferences. Each field editor knows how to save and
	 * restore itself.
	 */
	public void createFieldEditors() {
		addField(new RadioGroupFieldEditor(PreferenceConstants.DBMS, Messages.DatabasePreferencePage_1, 1,
				 new String[][] {{ "&MySQL", "MySQL" }, {"&PostgreSQL", "PostgreSQL" }}, getFieldEditorParent())); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
		addField(new StringFieldEditor(PreferenceConstants.HOSTNAME, Messages.DatabasePreferencePage_6, getFieldEditorParent()));
		addField(new StringFieldEditor(PreferenceConstants.PORT, Messages.DatabasePreferencePage_7, getFieldEditorParent()));
		addField(new StringFieldEditor(PreferenceConstants.DB, Messages.DatabasePreferencePage_8, getFieldEditorParent()));
		addField(new StringFieldEditor(PreferenceConstants.USERNAME, Messages.DatabasePreferencePage_9, getFieldEditorParent()));
		StringFieldEditor password = new StringFieldEditor(PreferenceConstants.PASSWORD, Messages.DatabasePreferencePage_10, getFieldEditorParent());
		password.getTextControl(getFieldEditorParent()).setEchoChar('*');
		addField(password);
	}

	/* (non-Javadoc)
	 * @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench)
	 */
	public void init(IWorkbench workbench) {
	}
	
	
	public boolean performOk() {
		return super.performOk();
	}
	
	
	protected void performApply() {
		super.performOk();
		boolean boolConfirmation = MessageDialog.openConfirm(getShell(), Messages.DatabasePreferencePage_11, Messages.DatabasePreferencePage_12);
		try {
			if (boolConfirmation) {
				PlatformUI.getWorkbench().restart();
			}
		} catch (Exception e) {
			Activator.getDefault().logError(e.getMessage(), e);
		}
	}
}